/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Definitions for the NVM Express ioctl interface
 * Copyright (c) 2011-2014, Intel Corporation.
 */

#ifndef _UAPI_LINUX_NVME_IOCTL_H
#define _UAPI_LINUX_NVME_IOCTL_H

#include <linux/types.h>

struct nvme_user_io
{
	__u8 opcode;
	__u8 flags;
	__u16 control;
	__u16 nblocks;
	__u16 rsvd;
	__u64 metadata;
	__u64 addr;
	__u64 slba;
	__u32 dsmgmt;
	__u32 reftag;
	__u16 apptag;
	__u16 appmask;
};

struct nvme_passthru_cmd
{
	__u8 opcode;
	__u8 flags;
	__u16 rsvd1;
	__u32 nsid;
	__u32 cdw2;
	__u32 cdw3;
	__u64 metadata;
	__u64 addr;
	__u32 metadata_len;
	__u32 data_len;
	__u32 cdw10;
	__u32 cdw11;
	__u32 cdw12;
	__u32 cdw13;
	__u32 cdw14;
	__u32 cdw15;
	__u32 timeout_ms;
	__u32 result;
};

#define nvme_admin_cmd nvme_passthru_cmd

#define NVME_IOCTL_ID _IO('N', 0x40)
#define NVME_IOCTL_ADMIN_CMD _IOWR('N', 0x41, struct nvme_admin_cmd)
#define NVME_IOCTL_SUBMIT_IO _IOW('N', 0x42, struct nvme_user_io)
#define NVME_IOCTL_IO_CMD _IOWR('N', 0x43, struct nvme_passthru_cmd)
#define NVME_IOCTL_RESET _IO('N', 0x44)
#define NVME_IOCTL_SUBSYS_RESET _IO('N', 0x45)
#define NVME_IOCTL_RESCAN _IO('N', 0x46)

#endif /* _UAPI_LINUX_NVME_IOCTL_H */
